From the 1945 Presidential Election an ad for Sean T O’Kelly of Fianna Fail with the by line “A Life-times work for the Nation….” . O’Kelly topped the poll defeating Dr Patrick McCartan and General Sean MacEoin.
http://electionsireland.org/result.cfm?election=1945P&cons=194
[...] Seán T. O’Kelly could not have been elected the second President of Ireland because of his IRA past and Eamon de Valera could not have been either Taoiseach or President for the very same reason. [...]